The UZI UZK-FDR-006 Responder VI Folding Knife features a straight edge, stainless steel blade, metal pocket clip and G10 handle. This model has spring assist. UZI combines advanced technical concepts with innovative designs to produce products used and trusted by the Army, Secret Service and Special Forces. Since its launch in the 1950s, UZI has become one of the world's most famous firearm brands and a 20th century icon.